Cliff Richard's House Searched in Sex Assault Investigation

 Cliff Richard performs on stage at Manchester Arena on June 2, 2013 in Manchester, England.
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Richard denies sexual allegations dating back to the 1980s.

British police said Thursday they are searching a house believed to belong to veteran singer Cliff Richard in connection with sexual allegations dating back to the 1980s.

South Yorkshire Police said eight officers gained entry to the house in Berkshire, west of London, after receiving an allegation of a sexual nature "involving a boy who was under the age of 16 at the time."

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Richard, 73, issued a statement denying the allegations. "For many months I have been aware of allegations against me of historic impropriety which have been circulating online. The allegations are completely false," it read.

British police do not name people who have not been charged. When asked about reports on the BBC that the house belonged to Richard, a spokeswoman referred The Associated Press to a statement issued Thursday confirming a Berkshire house was searched. The statement said the owner was believed out of the country, and that no one has been arrested.

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With more than 22 million singles sold in Britain, Richard is "the most successful British male singles artist of all-time and second only to Elvis Presley overall," according to the  Official Charts Company, which tracks U.K. music sales. His worldwide record sales are estimated to amount to around 250 million. Richard plans to expand his catalog with the release this November of his 100th album.